Its natural selection. Due to genetic variations, some animals have traits more desirable then others. This animals will survive and reproduce better, over time creating a whole new species.
Answer:
when a sex cell undergoes meiosis, it producs two haploid cells each having half the chromosome number of the "mother" cell
Epididymis receives sperm from the efferent ductules and sends it on to the Vas deferens.
Epididymis is a structure that forms a connection between the efferent ductules and vas deferens.
Epididymis is a structure that helps in the maturation of sperm and make it functionally mature to carry out fertilization in the human female body. It stores the sperm cells. It matures the immature cells from the testis.
Epididymis is divided into three parts namely:
- Caput Epididymis: Part where sperm enters from testis directly
- Corpus Epididymis: Part where sperm gain motility
- Cauda Epididymis: Part where sperms are stored
Epididymis is an important region of the ductules present in the transportation of sperm out of the testis and towards the urethra of the male body.
Learn more about Epididymis here, brainly.com/question/1594182
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A. The amount of carbon dioxide a person releases into the atmosphere
Answer:
(d) Cell wall
Explanation:
The cell wall is a structure located on the outside of the cell membrane in the cells of plants, bacteria, fungi, and algae. It is a resistant, tough and flexible layer, which has the vital function of supporting the osmotic pressure inside the cell, preventing the cell from lysis when water enters. Besides, it has the function of giving rigidity, support and defining the shape of the cell.
